Pinedale Municipal Ws, WY
Lead detected, under the action levels
Latest 90th-percentile lead: 1 ppb (monitoring period 2025-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Who runs the water here
Pinedale Municipal Ws serves about 2,005 people through 1,233 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Sublette County, Wyoming. EPA system ID: WY5600041; phone on file: 307-367-2348. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Pinedale Municipal Ws's lead record
That is down 2 ppb from 3 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Pinedale Municipal Ws is 14 ppb across 11 monitoring periods, none of them over 15 ppb (2 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1 ppb |
| 2024 | 3 ppb |
| 2023 | 1 ppb |
| 2022 | 3 ppb |
| 2021 | 6 ppb |
| 2020 | 4 ppb |
| 2019 | 3 ppb |
| 2018 | 5 ppb |
| 2017 | 9 ppb |
| 2017 | 13 ppb over 10 |
| 2016 | 14 ppb over 10 |
Where this result ranks
Of the 311 Wyoming systems with a lead result, the median latest reading is 1 ppb; 0 are over 15 ppb right now and 16 have gone over at some point. Pinedale Municipal Ws's 1 ppb sits at the 51st percentile in Wyoming and the 54th nationally (higher means more lead).
Neighbouring systems
3 other systems share Sublette County; 1 of them has a higher latest lead result than Pinedale Municipal Ws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Marbleton, Town Of | 861 | 0 (not detected) |
| High Meadow Ranch | 622 | 0 (not detected) |
| Big Piney, Town Of | 445 | 2 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Pinedale, WY may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Pinedale Municipal Ws whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. Why sampled homes are the worst-case ones is in the guide to reading the number. The action level is dropping - the 10 ppb rule from 2027.